Finding the Third Proportional to 78,788 and 118,236

Step by Step Solution

1. Step 1: Write the proportion equation
   78,788 : 118,236 = 118,236 : x
2. Step 2: Convert to fraction form
   78,788/118,236 = 118,236/x
3. Step 3: Cross multiply
   78,788x = 118,236 × 118,236
4. Step 4: Simplify right side
   78,788x = 13,979,751,696
5. Step 5: Solve for x
   x = 13,979,751,696/78,788
6. Step 6: Final answer
   x = 177,435.04